Near-infrared spectroscopy of the very low mass companion to the hot DA white dwarf PG 1234+482
نویسندگان
چکیده
منابع مشابه
Soft X - ray Spectroscopy of the Hot DA White Dwarf LB 1919 and the PG 1159 Star PG 1520 + 525
We have performed soft X-ray spectroscopy of two hot white dwarfs with the Chandra observatory using the Low Energy Transmission Grating. The first target is the hot DA white dwarf LB1919 (T eff =69 000 K). This star is representative of a small group of hot DAs whose metallicities lie well below predictions from radiative levitation theory. The Chandra spectrum shows a rich absorption line spe...
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ژورنال
عنوان ژورنال: Monthly Notices of the Royal Astronomical Society
سال: 2007
ISSN: 0035-8711,1365-2966
DOI: 10.1111/j.1365-2966.2007.12481.x